Enable crashpad for Mac

headless/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/chrome_build.gni")
 import("//headless/headless.gni")
 import("//build/util/process_version.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//printing/features/features.gni")
 import("//testing/test.gni")
@@ skipping 305 matching lines @@
     "//net",
     "//services/service_manager/public/cpp",
     "//third_party/mesa:osmesa",
     "//ui/base",
     "//ui/compositor",
     "//ui/display",
     "//ui/events/devices",
     "//url",
   ]
 
-  if (!is_mac) {
+  if (is_mac) {
+    deps += [ ":mac_helpers" ]
+  } else {
     deps += [ "//ui/aura" ]
   }
 
   if (enable_basic_printing) {
     deps += [
       "//components/printing/browser",
       "//components/printing/renderer",
     ]
   }
 
@@ skipping 69 matching lines @@
 repack("headless_browser_tests_pak") {
   sources = [
     "$root_gen_dir/headless/headless_browsertest_resources.pak",
   ]
   output = "$root_out_dir/headless_browser_tests.pak"
   deps = [
     ":headless_browsertest_resources_grit",
   ]
 }
 
+if (is_mac) {
+  copy("mac_helpers") {
+    sources = [
+      "$root_out_dir/crashpad_handler",
+    ]
+
+    deps = [
+      "//third_party/crashpad/crashpad/handler:crashpad_handler",
+    ]
+
+    outputs = [
+      "$root_out_dir/Helpers/{{source_file_part}}",
+    ]
+  }
+}
+
 test("headless_browsertests") {
   sources = [
     "lib/embedder_mojo_browsertest.cc",
     "lib/headless_browser_browsertest.cc",
     "lib/headless_browser_context_browsertest.cc",
     "lib/headless_devtools_client_browsertest.cc",
     "lib/headless_web_contents_browsertest.cc",
     "public/util/dom_tree_extractor_browsertest.cc",
     "public/util/flat_dom_tree_extractor_browsertest.cc",
     "public/util/protocol_handler_request_id_browsertest.cc",
@@ skipping 79 matching lines @@
 
 executable("headless_example") {
   sources = [
     "app/headless_example.cc",
   ]
 
   deps = [
     "//headless:headless_shell_lib",
   ]
 }